# UUID: 45de5e75-cd2d-4810-b548-5cd92c250e29
N, K = [int(x) for x in input().split()]
H = [int(x) for x in input().split()]
largest = 0
dist = 0
for i in range(1, N):
	if H[largest] < H[i]:
		largest = i
		dist = 0
	else:
		dist += 1
		if dist >= K:
			break
print(largest+1)


"""
N,K=input().split()
N=int(N)
K=int(K)
A= input().split()

res=0
done = False
while not done:
    for i in range(1,K+1):
        if res+i<N:
            if int(A[res])<int(A[res+i]):
                res+=i
                i=-1
                break
        else:
            done=True
            break
    if i==K:
        done=True

print(res+1)
"""